// Copyright (C) 2013 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 25.3.1.4
description: >
    When a generator is paused within the `catch` block of a `try..catch`
    statement, `throw` should interrupt control flow as if a `throw` statement
    had appeared at that location in the function body.
features: [generators]
---*/

function Test() {
    var unreachable = 0;

    function* g() {
      yield 1;
      try {
        yield 2;
        throw exception;
      } catch (e) {
        yield e;
        unreachable += 1;
      }
      yield 3;
    }
    var iter, result, exception;

    exception = new Test262Error();
    iter = g();

    result = iter.next();
    assert.sameValue(result.value, 1, 'First result `value`');
    assert.sameValue(result.done, false, 'First result `done` flag');

    result = iter.next();
    assert.sameValue(result.value, 2, 'Second result `value`');
    assert.sameValue(result.done, false, 'Second result `done` flag');

    result = iter.next();
    assert.sameValue(result.value, exception, 'Third result `value`');
    assert.sameValue(result.done, false, 'Third result `done` flag');

    assert.throws(Test262Error, function() {
      iter.throw(new Test262Error());
    });

    assert.sameValue(
      unreachable,
      0,
      'statement following `yield` not executed (following `throw`)'
    );

    result = iter.next();
    assert.sameValue(
      result.value, undefined, 'Result `value` is undefined when done'
    );
    assert.sameValue(result.done, true, 'Result `done` flag is `true` when done');
    assert.sameValue(
      unreachable, 0, 'statement following `yield` not executed (once "completed")'
    );

    iter.next();
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
